APA (7th ed.) Citation

(2010). Steam Engines Machinery's Reference Series, Number 70. Project Gutenberg.

Chicago Style (17th ed.) Citation

Steam Engines Machinery's Reference Series, Number 70. Project Gutenberg, 2010.

MLA (9th ed.) Citation

Steam Engines Machinery's Reference Series, Number 70. Project Gutenberg, 2010.

Warning: These citations may not always be 100% accurate.